The nucleus of each atom contains protons and neutrons. While the number of protons defines the element (e.g., hydrogen, carbon, etc.) and the sum of the protons and neutrons gives the atomic mass, ...

of~hydrogen} = \frac{mass~of~hydrogen ... is numerically equal to its relative formula mass or relative atomic mass For example, one mole of carbon is 12 g and contains 6 × 10 23 atoms of ...

Accompanying Lesson Plan: Lesson 3.2: Finding Volume—The Water Displacement Method The chart shows that atomic size and mass for the ... Polyethylene is made up only of carbon and hydrogen atoms. The ...

Ammonium nitrate (NH 4 NO 3) is commonly used as a fertiliser. Given the relative atomic mass of hydrogen is 1, nitrogen is 14 and oxygen is 16, calculate the percentage of ammonium nitrate that ...

Its two sources of fuel, hydrogen and lithium, are widely available in many ... Fission splits a heavy element (with a high atomic mass number) into fragments; while fusion joins two light elements ...